mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-08 10:08:42 +08:00
c5918290e6
This PR introduces novel importv2 roles for datanode: 1. Executor: To execute tasks, a import task will be divided into the following steps: read data -> hash data -> sync data; 2. Manager: To manage all the tasks; issue: https://github.com/milvus-io/milvus/issues/28521 --------- Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
122 lines
3.4 KiB
Go
122 lines
3.4 KiB
Go
// Licensed to the LF AI & Data foundation under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you under the Apache License, Version 2.0 (the
|
|
// "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package numpy
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/samber/lo"
|
|
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
|
|
"github.com/milvus-io/milvus/internal/storage"
|
|
"github.com/milvus-io/milvus/pkg/util/merr"
|
|
)
|
|
|
|
type Reader struct {
|
|
schema *schemapb.CollectionSchema
|
|
count int64
|
|
frs map[int64]*FieldReader // fieldID -> FieldReader
|
|
}
|
|
|
|
func NewReader(ctx context.Context, schema *schemapb.CollectionSchema, paths []string, cm storage.ChunkManager, bufferSize int) (*Reader, error) {
|
|
fields := lo.KeyBy(schema.GetFields(), func(field *schemapb.FieldSchema) int64 {
|
|
return field.GetFieldID()
|
|
})
|
|
count, err := calcRowCount(bufferSize, schema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
crs := make(map[int64]*FieldReader)
|
|
readers, err := CreateReaders(ctx, paths, cm, schema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for fieldID, r := range readers {
|
|
cr, err := NewFieldReader(r, fields[fieldID])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
crs[fieldID] = cr
|
|
}
|
|
return &Reader{
|
|
schema: schema,
|
|
count: count,
|
|
frs: crs,
|
|
}, nil
|
|
}
|
|
|
|
func (r *Reader) Read() (*storage.InsertData, error) {
|
|
insertData, err := storage.NewInsertData(r.schema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for fieldID, cr := range r.frs {
|
|
var data any
|
|
data, err = cr.Next(r.count)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if data == nil {
|
|
return nil, io.EOF
|
|
}
|
|
err = insertData.Data[fieldID].AppendRows(data)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
err = fillDynamicData(insertData, r.schema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return insertData, nil
|
|
}
|
|
|
|
func (r *Reader) Close() {
|
|
for _, cr := range r.frs {
|
|
cr.Close()
|
|
}
|
|
}
|
|
|
|
func CreateReaders(ctx context.Context, paths []string, cm storage.ChunkManager, schema *schemapb.CollectionSchema) (map[int64]io.Reader, error) {
|
|
readers := make(map[int64]io.Reader)
|
|
nameToPath := lo.SliceToMap(paths, func(path string) (string, string) {
|
|
nameWithExt := filepath.Base(path)
|
|
name := strings.TrimSuffix(nameWithExt, filepath.Ext(nameWithExt))
|
|
return name, path
|
|
})
|
|
for _, field := range schema.GetFields() {
|
|
if field.GetIsPrimaryKey() && field.GetAutoID() {
|
|
continue
|
|
}
|
|
if _, ok := nameToPath[field.GetName()]; !ok {
|
|
return nil, merr.WrapErrImportFailed(
|
|
fmt.Sprintf("no file for field: %s, files: %v", field.GetName(), lo.Values(nameToPath)))
|
|
}
|
|
reader, err := cm.Reader(ctx, nameToPath[field.GetName()])
|
|
if err != nil {
|
|
return nil, merr.WrapErrImportFailed(
|
|
fmt.Sprintf("failed to read the file '%s', error: %s", nameToPath[field.GetName()], err.Error()))
|
|
}
|
|
readers[field.GetFieldID()] = reader
|
|
}
|
|
return readers, nil
|
|
}
|